Sharpener



FIG. 1 is an upper perspective view of first embodiment of a sharpener;

FIG. 2 is a left side view of the sharpener shown in FIG. 1;

FIG. 3 is a right side view of the sharpener shown in FIG. 1;

FIG. 4 is a rear view of the sharpener shown in FIG. 1;

FIG. 5 is a front view of the sharpener shown in FIG. 1;

FIG. 6 is a top plan view of the sharpener shown in FIG. 1;

FIG. 7 is a bottom plan view of the sharpener shown in FIG. 1;

FIG. 8 is an upper perspective view of second embodiment of the sharpener shown in FIG. 1;

FIG. 9 is a left side view of the sharpener shown in FIG. 8;

FIG. 10 is a right side view of the sharpener shown in FIG. 8;

FIG. 11 is a rear view of the sharpener shown in FIG. 8;

FIG. 12 is a front view of the sharpener shown in FIG. 8;

FIG. 13 is a top plan view of the sharpener shown in FIG. 8; and,

FIG. 14 is a bottom plan view of the sharpener shown in FIG. 8.

The broken lines shown represent unclaimed subject matter and form no part of the claimed design. 

CLAIM I claim the ornamental design for a sharpener, as shown and described. 